21114513510 has 16 divisors (see below), whose sum is σ = 50674832496. Its totient is φ = 5630536928.

The previous prime is 21114513461. The next prime is 21114513527. The reversal of 21114513510 is 1531541112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351908529 + ... + 351908588.

It is an arithmetic number, because the mean of its divisors is an integer number (3167177031).

Almost surely, 2^21114513510 is an apocalyptic number.

21114513510 is an abundant number, since it is smaller than the sum of its proper divisors (29560318986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21114513510 is a wasteful number, since it uses less digits than its factorization.

21114513510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703817127.

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 21114513510 in words is "twenty-one billion, one hundred fourteen million, five hundred thirteen thousand, five hundred ten".